﻿using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using Windows.Foundation;
using Windows.Foundation.Collections;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Controls.Primitives;
using Windows.UI.Xaml.Data;
using Windows.UI.Xaml.Input;
using Windows.UI.Xaml.Media;
using Windows.UI.Xaml.Navigation;

// The Blank Page item template is documented at http://go.microsoft.com/fwlink/?LinkId=234238

namespace XT.ToDo
{
    /// <summary>
    /// An empty page that can be used on its own or navigated to within a Frame.
    /// </summary>
    public sealed partial class ToDoItems : Page
    {
        ToDo_BL objToDO_BL = null;
        public ToDoItems()
        {
            objToDO_BL = new ToDo_BL();
            
            this.InitializeComponent();
            itemListView.ItemsSource = objToDO_BL.Items.Select (a => a.Title); 
        }

        /// <summary>
        /// Invoked when this page is about to be displayed in a Frame.
        /// </summary>
        /// <param name="e">Event data that describes how this page was reached.  The Parameter
        /// property is typically used to configure the page.</param>
        protected override void OnNavigatedTo(NavigationEventArgs e)
        {
            
        }

        private void btnAdd_Click(object sender, RoutedEventArgs e)
        {
            if (!String.IsNullOrEmpty(txtToDo.Text))
            {
                ToDoItem newToDo = new ToDoItem();
                newToDo.Title = txtToDo.Text;
                newToDo.Priority = priority.Medium;
                objToDO_BL.Items.Add(newToDo);

                //There could be a better way to refresh the grid but i am using this for now.
                itemListView.ItemsSource = objToDO_BL.Items.Select(a => a.Title); 
            }
        }
    }
}
